How to check for a silent toilet tank leak
Silent toilet leaks waste water into the bowl without obvious signs, making it hard to catch before water bills spike or damage occurs. People want a reliable visual indicator, such as a colored or disinfecting block in the cistern, to easily spot continuous leakage without guessing.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Drying the area, pointing a fan at it, and testing with flat toilet paper to see if it wicks moisture.Did this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“I want a block of dye, or a definitely coloured thing, that I can put in the cistern, that I accept will dye (and maybe disinfect or neutralise hard water) every flush, but will also alert me if my cistern is leaking into the bowl.”source ↗
Where this came up
People with this problem also raised
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